Replaces |shell_handle| with |application_request| as the name of the parameter to MojoMain().

examples/echo/echo_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdio.h>
 
 #include "examples/echo/echo.mojom.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
@@ skipping 20 matching lines @@
     echo_->EchoString("hello world", ResponsePrinter());
   }
 
  private:
   EchoPtr echo_;
 };
 
 }  // namespace examples
 }  // namespace mojo
 
-MojoResult MojoMain(MojoHandle shell_handle) {
+MojoResult MojoMain(MojoHandle application_request) {
   mojo::ApplicationRunner runner(new mojo::examples::EchoClientDelegate);
-  return runner.Run(shell_handle);
+  return runner.Run(application_request);
 }